Vid-20220207-wa0017mp4

: Stands for WhatsApp, confirming the file originated from or was sent via the app.

: On Android, these files are typically stored in Internal Storage > Android > media > com.whatsapp > WhatsApp > Media > WhatsApp Video . VID-20220207-WA0017mp4

The filename is a generic name automatically generated by WhatsApp for a video saved on February 7, 2022. Because this name is unique to a specific user's private media library, there is no public "proper piece" or documentation associated with it. : Stands for WhatsApp, confirming the file originated